Asteroid 2024 YR4 is big and dangerous enough that it has been dubbed a "city killer." There were concerns that the asteroid ...
The idea of an asteroid hitting Earth can be a scary one, but it can be pretty hard to comprehend just how scary such an impact might potentially be. To put things in context, many people who have ...
A powerful new telescope in South America is already offering tantalizing hints of what it can do. The Vera C. Rubin Observatory began studying the heavens from a Chilean mountaintop last spring, and ...
Humanity needs to step up its asteroid-hunting game. To date, astronomers have spotted more than 8,000 near-Earth asteroids that are at least 460 feet (140 meters) wide — big enough to wipe out an ...